Please Help! parsing from email body to email address field

I receive tons of emails everyday that after I process I have to Forward them to the username listed in the body of the email. I would like to be able to run a macro that pulls the username from the body and puts it into the To field and adds the @domain (which is the same for every single username).

Example body text:

Location : Nevada
Qty : 1
Amt : 128.00
Vendor: me
User : rachml

I would like to speed up the fwd'g process by pushing a button that...

Please Help! parsing from email body to email address field